Vulnerability CVE-2020-25021
Published: 2020-09-04

Description:
An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Noise-Java ChaChaPolyCipherState.encryptWithAd() Insufficient Boundary Checks
Pietro Oliva
05.09.2020

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Noise-java project -> Noise-java 

 References:
http://packetstormsecurity.com/files/159057/Noise-Java-ChaChaPolyCipherState.encryptWithAd-Insufficient-Boundary-Checks.html
http://seclists.org/fulldisclosure/2020/Sep/14
https://github.com/rweather/noise-java/commit/18e86b6f8bea7326934109aa9ffa705ebf4bde90
https://github.com/rweather/noise-java/pull/12
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